From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: further post-Meltdown-bad-aid performance thoughts Date: Mon, 22 Jan 2018 10:04:58 -0700 Message-ID: <5A6627CA02000078001A13A5@prv-mh.provo.novell.com> References: <5A6210B502000078001A06A5@prv-mh.provo.novell.com> <6134e80b-8fd0-8a7d-61c8-df5892685c63@citrix.com> <5A622C9602000078001A0847@prv-mh.provo.novell.com> <5A65BC0102000078001A0ED5@prv-mh.provo.novell.com> <5A65F57B02000078001A11B7@prv-mh.provo.novell.com> <6d6c7f70-1702-d9f7-a734-a5da0b71b66f@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from all-amaz-eas1.inumbo.com ([34.197.232.57]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1edfWw-0008FM-1i for xen-devel@lists.xenproject.org; Mon, 22 Jan 2018 17:05:10 +0000 In-Reply-To: <6d6c7f70-1702-d9f7-a734-a5da0b71b66f@citrix.com> Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: George Dunlap Cc: George Dunlap , Andrew Cooper , xen-devel List-Id: xen-devel@lists.xenproject.org Pj4+IE9uIDIyLjAxLjE4IGF0IDE2OjE1LCA8Z2VvcmdlLmR1bmxhcEBjaXRyaXguY29tPiB3cm90 ZToKPiBPbiAwMS8yMi8yMDE4IDAxOjMwIFBNLCBKYW4gQmV1bGljaCB3cm90ZToKPj4+Pj4gT24g MjIuMDEuMTggYXQgMTM6MzMsIDxnZW9yZ2UuZHVubGFwQGNpdHJpeC5jb20+IHdyb3RlOgo+Pj4g V2hhdCBJJ20gcHJvcG9zaW5nIGlzIHNvbWV0aGluZyBsaWtlIHRoaXM6Cj4+Pgo+Pj4gKiBXZSBo YXZlIGEgImdsb2JhbCIgcmVnaW9uIG9mIFhlbiBtZW1vcnkgdGhhdCBpcyBtYXBwZWQgYnkgYWxs Cj4+PiBwcm9jZXNzb3JzLiAgVGhpcyB3aWxsIGNvbnRhaW4gZXZlcnl0aGluZyB3ZSBjb25zaWRl ciBub3Qgc2Vuc2l0aXZlOwo+Pj4gaW5jbHVkaW5nIFhlbiB0ZXh0IHNlZ21lbnRzLCBhbmQgbW9z dCBkb21haW4gYW5kIHZjcHUgZGF0YS4gIEJ1dCBpdCB3aWxsCj4+PiAqbm90KiBtYXAgYWxsIG9m IGhvc3QgbWVtb3J5LCBub3IgaGF2ZSBhY2Nlc3MgdG8gc2Vuc2l0aXZlIGRhdGEsIHN1Y2ggYXMK Pj4+IHZjcHUgcmVnaXN0ZXIgc3RhdGUuCj4+Pgo+Pj4gKiBXZSBoYXZlIHBlci1jcHUgImxvY2Fs IiByZWdpb25zLiAgSW4gdGhpcyByZWdpb24gd2Ugd2lsbCBtYXAsCj4+PiBvbi1kZW1hbmQsIGd1 ZXN0IG1lbW9yeSB3aGljaCBpcyBuZWVkZWQgdG8gcGVyZm9ybSBjdXJyZW50IG9wZXJhdGlvbnMu Cj4+PiAoV2UgY2FuIGNvbnNpZGVyIGhvdyBzdHJpY3RseSB3ZSBuZWVkIHRvIHVubWFwIG1lbW9y eSBhZnRlciB1c2luZyBpdC4pCj4+PiBXZSB3aWxsIGFsc28gbWFwIHRoZSBjdXJyZW50IHZjcHUn cyByZWdpc3RlcnMuCj4+Pgo+Pj4gKiBPbiBlbnRyeSB0byBhIDY0LWJpdCBQViBndWVzdCwgd2Ug ZG9uJ3QgY2hhbmdlIHRoZSBtYXBwaW5nIGF0IGFsbC4KPj4+Cj4+PiBOb3csIG5vIG1hdHRlciB3 aGF0IHRoZSBzcGVjdWxhdGl2ZSBhdHRhY2sgLS0gU1AxLCBTUDIsIG9yIFNQMyAtLSBhIHZjcHUK Pj4+IGNhbiBvbmx5IGFjY2VzcyBpdHMgb3duIFJBTSBhbmQgcmVnaXN0ZXJzLiAgVGhlcmUncyBu byBleHRyYSBvdmVyaGVhZCB0bwo+Pj4gY29udGV4dCBzd2l0Y2hpbmcgaW50byBvciBvdXQgb2Yg dGhlIGh5cGVydmlzb3IuCj4+IAo+PiBBbmQgd2Ugd291bGQgb3BlbiBiYWNrIHVwIHRoZSBTUDMg dmFyaWFudCBvZiBndWVzdCB1c2VyIG1vZGUKPj4gYXR0YWNraW5nIGl0cyBvd24ga2VybmVsIGJ5 IGdvaW5nIHRocm91Z2ggdGhlIFhlbiBtYXBwaW5ncy4gSQo+PiBjYW4ndCBleGNsdWRlIHRoYXQg dmFyaWFudHMgb2YgU1AxIChsZXNzIGxpa2VseSBTUDIpIGFsbG93aW5nIGluZGlyZWN0Cj4+IGd1 ZXN0LXVzZXIgLT4gZ3Vlc3Qta2VybmVsIGF0dGFja3MgY291bGRuJ3QgYmUgZm91bmQuCj4gCj4g SG93PyAgWGVuIGRvZXNuJ3QgaGF2ZSB0aGUgZ3Vlc3Qga2VybmVsIG1lbW9yeSBtYXBwZWQgd2hl biBpdCdzIG5vdAo+IHVzaW5nIGl0LgoKT2gsIHNvIHlvdSBtZWFuIHRvIGRvIGF3YXkgd2l0aCB0 aGUgZGlyZWN0IG1hcCBhbHRvZ2V0aGVyPwoKSmFuCgoKX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxA bGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFu L2xpc3RpbmZvL3hlbi1kZXZlbA==